fix(DagApi): default content is "dag-cbor" not "cbor"

Author: richardschneider

src/CoreApi/DagApi.cs

@@ -26,7 +26,7 @@ internal DagApi(IpfsClient ipfs)
 
         public async Task<Cid> PutAsync(
             JObject data,
-            string contentType = "cbor",
+            string contentType = "dag-cbor",
             string multiHash = MultiHash.DefaultAlgorithmName,
             bool pin = true,
             CancellationToken cancel = default(CancellationToken))
@@ -47,7 +47,12 @@ public async Task<Cid> PutAsync(
             }
         }
 
-        public async Task<Cid> PutAsync(object data, string contentType = "cbor", string multiHash = "sha2-256", bool pin = true, CancellationToken cancel = default(CancellationToken))
+        public async Task<Cid> PutAsync(
+            object data, 
+            string contentType = "dag-cbor",
+            string multiHash = MultiHash.DefaultAlgorithmName,
+            bool pin = true, 
+            CancellationToken cancel = default(CancellationToken))
         {
             using (var ms = new MemoryStream(
                 Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(data)),
@@ -59,8 +64,8 @@ public async Task<Cid> PutAsync(
 
         public async Task<Cid> PutAsync(
             Stream data,
-            string contentType = "cbor",
-            string multiHash = "sha2-256",
+            string contentType = "dag-cbor",
+            string multiHash = MultiHash.DefaultAlgorithmName,
             bool pin = true,
             CancellationToken cancel = default(CancellationToken))
         {

src/IpfsApi.csproj

@@ -27,7 +27,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Ipfs.Core" Version="0.27.3" />
+    <PackageReference Include="Ipfs.Core" Version="0.27.4" />
     <PackageReference Include="Newtonsoft.Json" Version="10.0.3" />
 	  <PackageReference Include="System.Net.Http" Version="4.3.3" Condition="'$(TargetFramework)' == 'netstandard14'" />
     <PackageReference Include="System.Net.Http" Version="4.3.3" Condition="'$(TargetFramework)' == 'net45'" />